Incentive Plans and Stock-Based Compensation (Summary of Stock Option Activity) (Details) (USD $)	12 Months Ended
	Nov. 29, 2014	Nov. 30, 2013	Dec. 01, 2012
Stock Option Activity in Shares
Outstanding at end of year	2,310,720
Exercisable at end of year	1,409,359
Weighted Average Exercise Prices
Weighted Average Exercise Price - Outstanding End of Period (in dollars per share)	$ 45.71
Weighted Average Exercise Price - Exercisable (in dollars per share)	$ 40.70
Stock Options [Member]
Stock Option Activity in Shares
Outstanding at beginning of year	2,208,314	3,037,151	2,907,533
Granted	450,700	387,500	512,850
Exercised	(322,473)	(1,191,752)	(353,793)
Surrendered	(25,821)	(24,585)	(29,439)
Outstanding at end of year	2,310,720	2,208,314	3,037,151
Exercisable at end of year	1,409,359	1,413,100	2,035,267
Weighted Average Exercise Prices
Weighted Average Exercise Price - Outstanding Beginning of Year (in dollars per share)	$ 40.76	$ 36.09	$ 32.39
Weighted Average Exercise Price - Granted (in dollars per share)	$ 61.49	$ 45.25	$ 49.84
Weighted Average Exercise Price - Exercised (in dollars per share)	$ 33.30	$ 30.30	$ 25.28
Weighted Average Exercise Price - Surrendered (in dollars per share)	$ 52.47	$ 42.48	$ 40.17
Weighted Average Exercise Price - Outstanding End of Period (in dollars per share)	$ 45.71	$ 40.76	$ 36.09
Weighted Average Exercise Price - Exercisable (in dollars per share)	$ 40.70	$ 38.19	$ 32.54